EXHIBIT 11--COMPUTATIONS OF EARNINGS PER SHARE GTECH HOLDINGS CORPORATION AND SUBSIDIARIES Three Months Ended Nine Months Ended -------------------------- -------------------------- November 29, November 23, November 29, November 23, 1997 1996 1997 1996 ------------ ------------ ------------ ------------ (In thousands, except per share amounts) Primary: (1) Net income ....................................... $ 23,933 $ 19,080 $ 63,478 $ 54,784 ============ ============ ============ ============ Weighted average common shares outstanding ....... 41,908 43,054 42,014 43,076 Net effect of dilutive stock options--based on the treasury stock method using the average market price for the period ............................ 386 326 354 303 ------------ ------------ ------------ ------------ Totals ........................................... 42,294 43,380 42,368 43,379 ============ ============ ============ ============ Earnings per common share ........................ $ .57 $ .44 $ 1.50 $ 1.26 ============ ============ ============ ============ Fully diluted: (1) Net income ....................................... $ 23,933 $ 19,080 $ 63,478 $ 54,784 ============ ============ ============ ============ Weighted average common shares outstanding ....... 41,908 43,054 42,014 43,076 Net effect of dilutive stock options--based on the treasury stock method using the average market price for the three months ended November 29, 1997 and the ending market price for all other periods ........................... 386 384 357 379 ------------ ------------ ------------ ------------ Totals ........................................... 42,294 43,438 42,371 43,455 ============ ============ ============ ============ Earnings per common share ........................ $ .57 $ .44 $ 1.50 $ 1.26 ============ ============ ============ ============ (1) The primary and fully diluted earnings per share were not presented on the face of the Consolidated Income Statements because the resulting amounts were not materially dilutive.